co·in·ci·dent /-sədənt, ˌdɛnt/
 (a.)一致的,符合的,暗合的
 coincident
 重合 符合
 Co·in·ci·dent a.  Having coincidence; occupying the same place; contemporaneous; concurrent; -- followed by with.
    Christianity teaches nothing but what is perfectly suitable to, and coincident with, the ruling principles of a virtuous and well-inclined man.   --South.
 Co·in·ci·dent n. One of two or more coincident events; a coincidence. [R.] “Coincidents and accidents.”
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 coincident
      adj 1: occurring or operating at the same time; "a series of
             coincident events" [syn: coincidental, coinciding,
              concurrent, cooccurring, simultaneous]
      2: matching point for point; "coincident circles" [syn: coinciding]